128581256

素因数分解:

$2^3\times {\mathrm{677}}^1\times {\mathrm{23741}}^1$

素因数の和:24424

約数の個数: 16

約数和(自身を含む): 241456140

約数和(自身を除く): 112874884

約数列:

[1, 2, 4, 8, 677, 1354, 2708, 5416, 23741, 47482, 94964, 189928, 16072657, 32145314, 64290628, 128581256]

約数ペア:

[(1, 128581256), (2, 64290628), (4, 32145314), (8, 16072657), (677, 189928), (1354, 94964), (2708, 47482), (5416, 23741)]